Issue dossier
Rob Rehrig's first-hand writeup documents the 0xB badge electronics and production fix, but this pass did not recover a public schematic, Gerber set, BOM, firmware repository, binary archive, or full badge manual.
A linkable camp-impact record with badge context, severity, evidence confidence, and source notes.
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source-depth caveat · source-backed but incomplete · needs deeper archive recovery
The catalogue records verified hardware behavior and production context without claiming that the complete design archive is public.
- Badge
- THOTCON 0xB Badge
- Category
- source-depth caveat
- Severity
- note
- Confidence
- source-backed but incomplete
- Status
- needs deeper archive recovery
- Timeframe
- current THOTCON 0xB pass
- Source note
- Rob Rehrig THOTCON 0xB writeup, official THOTCON 0xB schedule, Fourfold work page, and InfoconDB workshop listing.
first-hand project writeup
Rob Rehrig source for ESP32 badge design, reverse-mount LEDs, IS32FL3731 LED driver, piezo buzzer, accelerometer, capacitive touch, Wi-Fi node behavior, IRC, serial interface, GPIO0/DTR production fix, and design-team role.
Badge: THOTCON 0xB Badge
maker portfolio
Fourfold source identifying THOTCON 0xB as a retro controller-inspired hardware badge with D-pad design and PCB art framing.
Badge: THOTCON 0xB Badge
official event schedule
Official THOTCON archive source for Oct. 8-9, 2021 Chicago dates, badge/swag check-in, party-entry badge requirement, and the Track X `Hacking the THOTCON 0xB Badge` workshop.
Badge: THOTCON 0xB Badge
workshop listing
InfoconDB source for the rescheduled THOTCON 0xB badge workshop, Oct. 8, 2021 timing, presenters Jay Margalus and Rudy Ristich, and board-layout/component/code workshop scope.
Badge: THOTCON 0xB Badge
Fourfold · retrieved 2026-05-15
Maker portfolio source for the 0xB badge's retro gaming, D-pad design, and PCB-art framing.
Badge: THOTCON 0xB Badge
InfoconDB · retrieved 2026-05-15
Workshop metadata source for THOTCON 0xB badge-hacking session timing, presenters, board-layout, component, and code scope.
Badge: THOTCON 0xB Badge
Rob Rehrig · retrieved 2026-05-15
First-hand technical source for the ESP32 badge design, LEDs, LED driver, buzzer, accelerometer, capacitive touch, Wi-Fi/IRC/serial behavior, GPIO0/DTR production fix, and schematic/board/driver development role.
Badge: THOTCON 0xB Badge
THOTCON · retrieved 2026-05-15
Official event source for the Oct. 8-9, 2021 Chicago edition, badge pickup, party-entry badge requirement, and badge-hacking workshop title.
Badge: THOTCON 0xB Badge